ChemicalBook >
Product Catalog >
Analytical Chemistry >
Standard >
Pharmaceutical Impurity Reference Standards
Pharmaceutical Impurity Reference Standards
Click on the specific product, view the latest prices of the products, information, serving information
- Chemical Name:
- Benazepril Related Compound F
- Structure:
- Chemical Name:
- 4-(2-Cyanophenyl)benzaldehyde
- CAS:
- 135689-93-9
- MF:
- C14H9NO
- Structure:
- Chemical Name:
- 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, (2S-trans)-
- CAS:
- 111188-70-6
- MF:
- C22H26N2O4S
- Structure:
- Chemical Name:
- 1H-Benzimidazole-2-sulfinicacid(9CI)
- CAS:
- 58536-71-3
- MF:
- C7H6N2O2S
- Structure:
- Chemical Name:
- 1(3H)-Isobenzofuranone,3-methyl-(9CI)
- CAS:
- 3453-64-3
- MF:
- C9H8O2
- Structure:
- Chemical Name:
- 3-ETHOXY-4-METHOXYBENZOIC ACID
- CAS:
- 2651-55-0
- MF:
- C10H12O4
- Structure:
- Chemical Name:
- 4-hydroxyurapidil
- CAS:
- 88733-12-4
- MF:
- C20H29N5O4
- Structure:
- Chemical Name:
- 2-chloro-4-nitrophenyl-N-acetylglucosaminide
- CAS:
- 103614-82-0
- MF:
- C14H17ClN2O8
- Structure:
- Chemical Name:
- desisopropylprocaterol
- CAS:
- 63483-95-4
- MF:
- C13H16N2O3
- Structure:
- Chemical Name:
- 10-bromocarbamazepine
- CAS:
- 59690-97-0
- MF:
- C15H11BrN2O
- Structure:
- Chemical Name:
- ethyl apovincaminate
- CAS:
- 42971-12-0
- MF:
- C22H26N2O2
- Structure:
- Chemical Name:
- ALS 8123
- CAS:
- 81148-15-4
- MF:
- C15H23NO4
- Structure:
- Chemical Name:
- Ro 14-7437
- CAS:
- 78756-03-3
- MF:
- C15H15N3O3
- Structure:
- Chemical Name:
- 3-(7,8-dimethoxy-2-oxo-1,2,4,5-tetrahydro-3H-benzo[d]azepin-3-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide
- CAS:
- 2511244-97-4
- MF:
- C27H36N2O6
- Structure:
- Chemical Name:
- 2,4,6,3',5'-pentamethoxybiphenyl
- CAS:
- 84212-55-5
- MF:
- C17H20O5
- Chemical Name:
- Labetalol EP Impurity I
- Chemical Name:
- (Asp4)-Carbetocin (Impurity G)
- Structure:
- Chemical Name:
- Sulfamide, N-[5-(4-bromophenyl)-6-[2-[(5-chloro-2-pyrimidinyl)oxy]ethoxy]-4-pyrimidinyl]-N'-propyl-
- CAS:
- 2443747-63-3
- MF:
- C19H20BrClN6O4S
- Chemical Name:
- SULPIRIDE IMPURITY B
- Structure:
- Chemical Name:
- 2-[(5-CARBOXY-4-METHOXY-3-METHYLPYRID-2-YL)-METHYLSULFO]-5-METHOXYBENZIMIDAZOLE
- CAS:
- 120003-72-7
- MF:
- C17H17N3O5S
- Chemical Name:
- Gadobutrol Impurity 3
- Chemical Name:
- Empagliflozin Impurity 84
- Chemical Name:
- Iohexol Impurity O
- Chemical Name:
- Avibactam sodium Impurity CES
- Structure:
- Chemical Name:
- (2,5-dichlorophenyl)(4-ethoxyphenyl)methanone
- CAS:
- 1097076-93-1
- MF:
- C15H12Cl2O2
- Structure:
- Chemical Name:
- Lenvatinib impurity LFZZ-10
- MF:
- C11H8Cl2N2O2
- Chemical Name:
- (2S,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
- Chemical Name:
- Febuxostat Impurity 98
- Chemical Name:
- (2-(methyl((vinyloxy)carbonyl)amino)pyridin-3-yl)methyl 2-(methylamino)acetate hydrochloride
- Structure:
- Chemical Name:
- 1-(4-bromo-3,5-dimethoxyphenyl)ethanone
- CAS:
- 1333472-28-8
- MF:
- C10H11BrO3
- Chemical Name:
- Ticagrelor Impurity 117
- Chemical Name:
- Ticagrelor Impurity 136
- Structure:
- Chemical Name:
- Phenol, 2-(diphenylmethyl)-5-methyl-
- CAS:
- 411239-19-5
- MF:
- C20H18O
- Structure:
- Chemical Name:
- 1-Cyclohexene-1-carboxylic acid, 4-(acetylamino)-3-(1-ethylpropoxy)-5-(formylamino)-, ethyl ester, (3R,4R,5S)-
- CAS:
- 2148317-96-6
- MF:
- C17H28N2O5
- Structure:
- Chemical Name:
- Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-(5-chloro-2-ethoxyphenyl)-5-methyl-7-propyl-
- CAS:
- 2245167-80-8
- MF:
- C17H19ClN4O2
- Structure:
- Chemical Name:
- Posaconazole impurity 18
- CAS:
- 1819334-66-1
- MF:
- C44H49F2N8O4+
- Structure:
- Chemical Name:
- (4S,6R)-6-(2-(tert-butoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxane-4-carboxylic acid
- CAS:
- 2095786-11-9
- MF:
- C13H22O6
- Structure:
- Chemical Name:
- Crisaborole intermediate
- CAS:
- 2354382-27-5
- MF:
- C14H8BCl2NO3
- Chemical Name:
- Ropivacaine Impurity 48
- Structure:
- Chemical Name:
- 2,4-Heptadienoic acid, 7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-, (2Z,4E)-
- CAS:
- 1148131-09-2
- MF:
- C33H31FN2O3
- Structure:
- Chemical Name:
- 2(3H)-Furanone, dihydro-4-(1-methylethyl)-, (4S)-
- CAS:
- 53657-15-1
- MF:
- C7H12O2
- Structure:
- Chemical Name:
- Crisaborole Impurity 9 HCl
- CAS:
- 1187187-01-4
- MF:
- C14H15BClNO3
- Structure:
- Chemical Name:
- 2H-Indol-2-one, 3-[[3,5-dimethyl-4-(1-pyrrolidinylcarbonyl)-1H-pyrrol-2-yl]methylene]-5-fluoro-1,3-dihydro-
- CAS:
- 2135339-43-2
- MF:
- C20H20FN3O2
- Structure:
- Chemical Name:
- methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide
- CAS:
- 6639-62-9
- MF:
- C10H9NO5S
- Structure:
- Chemical Name:
- (6R-cis)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS:
- 54333-94-7
- MF:
- C15H16N2O6S2
- Structure:
- Chemical Name:
- 5-acetyl-1,3-phenylene bis(dimethylcarbamate)
- CAS:
- 81732-48-1
- MF:
- C14H18N2O5
- Chemical Name:
- Oseltamivir Impurity L
- Structure:
- Chemical Name:
- 1,4-Naphthalenediol, 2-methyl-, 4-acetate
- CAS:
- 110327-29-2
- MF:
- C13H12O3
- Chemical Name:
- Oseltamivir Impurity 105
- Chemical Name:
- Oseltamivir Impurity 77
- Chemical Name:
- Imidapril Impurity 2
- Structure:
- Chemical Name:
- Betamethasone EP Impurity G
- CAS:
- 85700-75-0
- MF:
- C22H30O5
- Chemical Name:
- Crisaborole Impurity ABCDEFGHJKL
- Structure:
- Chemical Name:
- 3-Azetidinecarboxylic acid, 1-[(4-acetyl-2-ethylphenyl)methyl]-
- CAS:
- 2474774-17-7
- MF:
- C15H19NO3
- Chemical Name:
- Nicergoline Impurity 02
- Chemical Name:
- Bromhexine ImpurityABCDEFGHJKL
- Structure:
- Chemical Name:
- 1-Butanone, 1-(4-fluorophenyl)-4-[(6bR,10aR)-2,3,6b,9,10,10a-hexahydro-3-methyl-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl]-
- CAS:
- 1576240-16-8
- MF:
- C24H28FN3O
- Chemical Name:
- impurity 37
- Chemical Name:
- Aprepitant impurity 3
- Structure:
- Chemical Name:
- 1,4,7,10-Tetraazacyclododecane-1,4-diacetic acid
- CAS:
- 229312-34-9
- MF:
- C12H24N4O4
- Structure:
- Chemical Name:
- Pentanoic acid, 3-(bromomethyl)-4-methyl-, ethyl ester, (3S)-
- CAS:
- 2432911-38-9
- MF:
- C9H17BrO2
- Structure:
- Chemical Name:
- Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-[5-[(4-ethyl-1-piperazinyl)sulfonyl]-2-hydroxyphenyl]-5-methyl-7-propyl-
- CAS:
- 2411340-39-9
- MF:
- C21H28N6O4S
- Structure:
- Chemical Name:
- 3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-[7-(hydroxymethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-1H-pyrazol-1-yl]-
- CAS:
- 1187595-89-6
- MF:
- C17H19N7O3S
- Structure:
- Chemical Name:
- 4-methyl-N-(2-(methylamino)phenyl)-2-propyl-1H-benzo[d]imidazole-6-carboxamide
- CAS:
- 884330-18-1
- MF:
- C19H22N4O
- Structure:
- Chemical Name:
- Benzeneacetic acid, 3-(2-amino-1,1-dimethyl-2-oxoethyl)-α,α-dimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-
- CAS:
- 2469244-33-3
- MF:
- C17H22N4O3
- Structure:
- Chemical Name:
- 2,4(1H,3H)-Pyrimidinedione, 5-(2-fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3-[(2R)-2-(hydroxyamino)-2-phenylethyl]-6-methyl-
- CAS:
- 2486454-64-0
- MF:
- C28H24F5N3O4
- Structure:
- Chemical Name:
- 3-Quinolinecarbonitrile, 4-[(2,4-dichloro-5-hydroxyphenyl)amino]-6-hydroxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-
- CAS:
- 2468737-94-0
- MF:
- C24H25Cl2N5O3
- Structure:
- Chemical Name:
- 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline, 2,3,6b,7,8,9,10,10a-octahydro-, (6bR,10aS)-
- CAS:
- 313368-81-9
- MF:
- C13H17N3
- Structure:
- Chemical Name:
- Ergoline-8-methanol, 1,6-dimethyl-, (8β)- (9CI)
- CAS:
- 40170-12-5
- MF:
- C17H22N2O
- Chemical Name:
- Avatrombopag Impurity 22
- Chemical Name:
- Avatrombopag Impurity 33
- Chemical Name:
- Cisatracurium besylate impurity 16
- Structure:
- Chemical Name:
- 1-ACETYL-2-METHYLBENZIMIDAZOLE
- CAS:
- 14678-81-0
- MF:
- C10H10N2O
- Structure:
- Chemical Name:
- (E)-3-(2-Formylphenyl)-2-propenoic acid 1,1-dimethyl ethyl ester
- CAS:
- 103890-69-3
- MF:
- C14H16O3
- Structure:
- Chemical Name:
- 1H-Dibenz[e,g]indole-1-heptanoic acid, 9-fluoro-2,3-dihydro-β,δ-dihydroxy-3-(1-methylethyl)-2-oxo-3-[(phenylamino)carbonyl]-, (βR,δR)-
- CAS:
- 1046533-62-3
- MF:
- C33H33FN2O6
- Chemical Name:
- Bimatoprost Impurity 22
- Chemical Name:
- Bumetanide Impurity 9
- Chemical Name:
- Crisaborole Impurity 14
- Structure:
- Chemical Name:
- Benzonitrile, 4-[(1E)-4-(dimethylamino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxymethyl)-
- CAS:
- 1370643-23-4
- MF:
- C20H21FN2O
- Chemical Name:
- Latamoxef impurity B
- Structure:
- Chemical Name:
- (9alpha,13alpha,14alpha)-3-methoxymorphinan-17-carbaldehyde
- CAS:
- 28973-48-0
- MF:
- C18H23NO2
- Structure:
- Chemical Name:
- (2R,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid
- CAS:
- 1012341-56-8
- MF:
- C23H29NO4
- Chemical Name:
- Alogliptin Impurity A
- Structure:
- Chemical Name:
- Linagliptin Impurity D
- CAS:
- 666816-91-7
- MF:
- C20H28N6O4
- Structure:
- Chemical Name:
- Parecoxib Impurity C
- CAS:
- 3026677-40-4
- Structure:
- Chemical Name:
- Rac Atomoxetine Hydrochloride
- CAS:
- 82857-40-7
- MF:
- C17H22ClNO
- Structure:
- Chemical Name:
- 3-(1H-imidazol-1-yl)-5-(trifluoromethyl)aniline
- CAS:
- 943320-48-7
- MF:
- C10H8F3N3
- Structure:
- Chemical Name:
- Linagliptin Impurity H
- CAS:
- 1646355-34-1
- MF:
- C22H23N7O2
- Structure:
- Chemical Name:
- Ezetimibe Impurity 54
- CAS:
- 1185883-39-9
- MF:
- C40H36F2N2O5
- Structure:
- Chemical Name:
- 2-(2-fluorophenyl)-1,3-di(1H-1,2,4-triazol-1-yl)propan-2-ol
- CAS:
- 1348664-75-4
- MF:
- C13H13FN6O
- Chemical Name:
- Dapagliflozin Impurity 2
- Chemical Name:
- Imatinib Impurity 1
- Chemical Name:
- Imatinib Impurity 6
- Structure:
- Chemical Name:
- Nifedipine Impurity 3
- MF:
- C19H22N2O6
- Chemical Name:
- Riociguat Impurtiy 5
- Chemical Name:
- Vonoprazan Impurity 6
- Structure:
- Chemical Name:
- Avibactam Impurity
- CAS:
- 1797133-98-2
- MF:
- C7H12N3NaO6S
- Structure:
- Chemical Name:
- Citalopram EP Impurity E
- CAS:
- 64169-47-7
- MF:
- C19H22Cl2FNO
- Chemical Name:
- Dapagliflozin Impurity F